#include<stdio.h>
#include<stdlib.h>
struct Node
{
    int data;
    struct Node*next;
};
struct Node*createList()
{
    struct Node*headNode=(struct Node*)malloc(sizeof(struct Node));
    headNode->next=NULL;
    return headNode; 
}
void insertNodeByHead(struct Node*headNode,int data)
{
    
}
void printList(struct Node*headNode)
{
    struct Node*pMove=headNode->next;
    while(pMove)
    {
        printf("%d",pMove->data);
        pMove=pMove->next;
    }
    printf("\n");
}
int main()
{
     
    return 0;
}